deepcrayon
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stockfish
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clean up

pull/3602/head
JackWright347 2021-07-30 04:31:50 +02:00
parent 3fa049f165
commit a8dec5e9fc
1 changed files with 27 additions and 30 deletions
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57
src/cpuinfo.h
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@ -62,36 +62,36 @@ namespace Stockfish {
static bool AVX512BW() { return CPUID._f7_EBX[30]; } // -mavx512bw
static bool AVX512VL() { return CPUID._f7_EBX[31]; } // -mavx512vl
static bool AVX512VNNI() { return CPUID._f7_ECX[11]; } // -mavx512vnni
// XCR0 XFEATURE_ENABLED_MASK reported by function 0x0D
static uint64_t xcrFeatureMask() { return CPUID._xcrFeatureMask; }
// flags reported by function 0x0D
static uint64_t xcrFeatureMask() { return CPUID._fD_xcrFeatureMask; } // XCR0 XFEATURE_ENABLED_MASK
// flags reported by extended function 0x80000001
static bool X64() { return CPUID._f81_EDX[29]; } // -DIS_64BIT
private:
static const CpuId CPUID;
static void cpuid(int32_t out[4], int32_t eax, int32_t ecx);
class CpuId
{
public:
CpuId() :
_idMax{ 0 },
_idExtMax{ 0 },
_isIntel{ false },
_isAMD{ false },
_family{ 0 },
_model{ 0 },
_stepping{ 0 },
_f1_EAX{ 0 },
_f1_ECX{ 0 },
_f1_EDX{ 0 },
_f7_EBX{ 0 },
_f7_ECX{ 0 },
_f7_EDX{ 0 },
_fD_xcrFeatureMask{ 0 },
_f81_EDX{ 0 },
_xcrFeatureMask{ 0 },
_idMax{ 0 },
_idExtMax{ 0 },
_data{},
_dataExt{},
_family{ 0 },
_model{ 0 },
_stepping{ 0 }
_dataExt{}
{
std::array<int32_t, 4> info;
@ -141,7 +141,7 @@ namespace Stockfish {
// load output of function 0x0D
if (_idMax >= 0x0D)
{
_xcrFeatureMask = ((uint64_t)_data[13][3] << 32) | _data[13][0];
_fD_xcrFeatureMask = ((uint64_t)_data[13][3] << 32) | _data[13][0];
}
// calling cpuid with 0x80000000
@ -196,35 +196,32 @@ namespace Stockfish {
}
};
uint32_t _idMax;
uint32_t _idExtMax;
bool _isIntel;
bool _isAMD;
int32_t _f1_EAX;
std::bitset<32> _f1_ECX;
std::bitset<32> _f1_EDX;
std::bitset<32> _f7_EBX;
std::bitset<32> _f7_ECX;
std::bitset<32> _f7_EDX;
std::bitset<32> _f81_EDX;
uint64_t _xcrFeatureMask;
std::vector<std::array<int32_t, 4>> _data;
std::vector<std::array<int32_t, 4>> _dataExt;
int32_t _family;
int32_t _model;
int32_t _stepping;
std::string _vendor;
std::string _brand;
};
private:
static void cpuid(int32_t out[4], int32_t eax, int32_t ecx);
int32_t _f1_EAX;
std::bitset<32> _f1_ECX;
std::bitset<32> _f1_EDX;
std::bitset<32> _f7_EBX;
std::bitset<32> _f7_ECX;
std::bitset<32> _f7_EDX;
uint64_t _fD_xcrFeatureMask;
std::bitset<32> _f81_EDX;
private:
uint32_t _idMax;
uint32_t _idExtMax;
std::vector<std::array<int32_t, 4>> _data;
std::vector<std::array<int32_t, 4>> _dataExt;
}; // class CpuId
};
} // namespace Stockfish